/*
 * Copyright 2006-2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.martinimix.validation;

import org.springframework.validation.Errors;

/**
 * Provides a single selection field validator.
 * 
 * @author Scott Rossillo
 *
 */
public interface SingleSelectionValidator {

	/**
	 * Rejects the given field if its value is not selected.
	 * 
	 * @param errors the <code>errors</code> object to validate
	 * 
	 * @param field the name of the field to validate
	 * 
	 * @param code the message key to use when rejecting <code>field</code> values
	 */
	public void rejectIfNotSelected(Errors errors, String field, String code);

	
	/**
	 * Rejects the given field if its value is not selected.
	 * 
	 * @param errors the <code>errors</code> object to validate
	 * 
	 * @param field the name of the field to validate
	 * 
	 * @param code the message key to use when rejecting <code>field</code> values
	 * 
	 * @param defaultMessage the default message to use when rejecting <code>field</code> values
	 * if the given <code>code</code> does not resolve to a defined message
	 */
	public void rejectIfNotSelected(Errors errors, String field, String code, String defaultMessage);
	
}
